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altima 3.5 bumpy

  1. 4.5 Generation Altima (2010-2012)
    I just picked up my Altima 3.5s, 2 weeks ago. Getting the some problems, and I'm sure it's not my engine. Any you guys feeling bumpiness right under your seat? Mine is constant no matter what speed I drive. They came with Continental tires with steel rims. I went to the dealer and they also...